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DO NOW. DNA and Chromosomes. Chromosome Bracelets. Create a Chromosome with two pipe cleaners Select beads that represent your traits and put them on your bracelet. HAIR COLOR : Brown: 1 Blue, 1 Green Blonde: 2 green HAIR TEXTURE: Curly Hair: 1 Red,1 Orange Straight : 2 Orange. - PowerPoint PPT PresentationTRANSCRIPT
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DO NOWDate:10/15
In your own words:
Describe chromosomes and genes.
Use complete sentences.
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ESSENTIAL QUESTION:How are traits passed from parents to offspring (children)?OBJECTIVES:-Trait Bracelets-Vocabulary T-Charts
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• DNA and Chromosomes
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Chromosome Bracelets
1) Create a Chromosome with two pipe cleaners
2) Select beads that represent your traits and put them on your bracelet
HAIR COLOR: Brown:1 Blue, 1 Green Blonde: 2 green
HAIR TEXTURE: Curly Hair:1 Red,1 Orange Straight : 2 Orange
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Vocabulary T-Charts pg 34
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DO NOWDate:10/16 &10/17
Q: How are traits passed from parents to offspring (children)?
Describe alleles in your own words
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ESSENTIAL QUESTION:How are traits passed from parents to offspring (children)?OBJECTIVES:-Finish Vocabulary T-charts-Genotype/Phenotype Activity-Dragon Fly Genetics
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Observing Traits pg
Record this chart on page __in your notebooksTrait Your phenotype Your Genotype
Hair Color
Tongue Rolling
Eye color
Hair texture
Hairline
Type of earlobe
Shape of little fingerShape of nose
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Observing Traits
Use the pictures on the sheets at your table to fill in your phenotypes and genotypes.
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One Sentence Summary pg 33
Read each paragraph and record a one sentence summary under your trait chart.
1) Genes are ___________________________
2) Dominant genes ______________________
3) Recessive genes _______________________.
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Traits Practice pg
Copy these parent traits and on page __of your notebook
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Traits Practice
• Answer the following questions on page___ of your notebook in complete sentences.
1.Which parent gave the brown hair allele for hair color?
2. What is the phenotype of the offspring’s hair color?
3. What is the phenotype of the offspring’s hairline on their forehead?
4. Will the offspring be able to roll his/her tongue? How do you know?
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Dragonfly Genetics
Male
Alleles
Female
Alleles
What is the code?
(ee)
What does it look like?
(white eyes)
What does the baby dragonfly
look like?
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DO NOWDate:10/18
Q: How are traits passed from parents to offspring (children)?
How are the genotype and phenotype of an organism related?
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ESSENTIAL QUESTION:How are traits passed from parents to offspring (children)?OBJECTIVES:-Brainpop-Heredity-Punnett Square Activity-Exit Ticket
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Punnett Squares
Punnett Square – a chart used to show four possible ways that genes can be combined when passed from parents to offspring as a result of reproduction.
Father’s genotype – on side of squareMother’s genotype – on top of square
Offspring Possibility
#1
Offspring Possibility
#2
Offspring Possibility
#3
Offspring Possibility
#4
Mother’s Genotype
Allele 1
Fath
er’s
Gen
otyp
e
Allele 2
Allele 2Allele 1
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Punnett Square – example
• Top left box = Mother’s first allele, Father’s first allele
• Top right box = Mother’s second allele, Father’s first allele
• Bottom left box = Mother’s first allele, Father’s second allele
• Bottom right box = Mother’s second allele, Father’s second allele
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Use this chart of cat
traits to complete your page
182-184 Punnett Square activity.
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Exit Ticket
• Create a concept map using the following words:
Cell phenotype Nucleus genotypeChromosomes alleleGenesPassing of traitsSections of DNA